Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:50

General

  • Target

    51b6f6d7cc053e21a13cd9e0832de51a65fbdc5d527737082b7b1b12417f936c.exe

  • Size

    444KB

  • MD5

    56e9b0fbe41b8a3e96fb28e02ca96a70

  • SHA1

    bc04ac2c58f805b0c97b07076d1de4e0b981a1c3

  • SHA256

    51b6f6d7cc053e21a13cd9e0832de51a65fbdc5d527737082b7b1b12417f936c

  • SHA512

    519dbab949a697d3df3671781d90ab7eac5d726dd56c73a737290d7dff4f52500c27c8ecfa1feb712216b99192183ef4f307b0c61b533de9bfb1edae9259aad6

  • SSDEEP

    12288:PFMeCb6yOIKgUnqN9ugSNkvm9f+MgvLwabghCE2SN7YDansz6J7yCXjmZfMc3edD:PXOSN7YDansWJ7yimS

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops startup file 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51b6f6d7cc053e21a13cd9e0832de51a65fbdc5d527737082b7b1b12417f936c.exe
    "C:\Users\Admin\AppData\Local\Temp\51b6f6d7cc053e21a13cd9e0832de51a65fbdc5d527737082b7b1b12417f936c.exe"
    1⤵
    • Drops file in Drivers directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3836
    • C:\Windows\SysWOW64\drivers\lsass.exe
      "C:\Windows\system32\drivers\lsass.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Drops startup file
      • Enumerates connected drives
      • Suspicious use of SetWindowsHookEx
      PID:2456
    • C:\Users\Admin\AppData\Local\Temp\51b6f6d7cc053e21a13cd9e0832de51a65fbdc5d527737082b7b1b12417f936c.~tmp
      "C:\Users\Admin\AppData\Local\Temp\51b6f6d7cc053e21a13cd9e0832de51a65fbdc5d527737082b7b1b12417f936c.~tmp "
      2⤵
      • Executes dropped EXE
      PID:1692

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\51b6f6d7cc053e21a13cd9e0832de51a65fbdc5d527737082b7b1b12417f936c.~tmp
    Filesize

    380KB

    MD5

    bee0aa5f2822bacc9069eec563f93e5f

    SHA1

    c590b7a8371c9f79549093d9c1c025a538556f3f

    SHA256

    edca6c4725146c4940c6d3747f123ce10d6656d5880e5c503a90bc0cd8d73bfc

    SHA512

    3dbc51731d1e436a11f3249f17719c95c55be3a8b293ec49c4f885b160f527ff4e31529acecd75c22c688b4e48aa1b7a89b39890bccd9b974f93cfccbfe5b575

  • C:\Users\Admin\AppData\Local\Temp\51b6f6d7cc053e21a13cd9e0832de51a65fbdc5d527737082b7b1b12417f936c.~tmp
    Filesize

    380KB

    MD5

    bee0aa5f2822bacc9069eec563f93e5f

    SHA1

    c590b7a8371c9f79549093d9c1c025a538556f3f

    SHA256

    edca6c4725146c4940c6d3747f123ce10d6656d5880e5c503a90bc0cd8d73bfc

    SHA512

    3dbc51731d1e436a11f3249f17719c95c55be3a8b293ec49c4f885b160f527ff4e31529acecd75c22c688b4e48aa1b7a89b39890bccd9b974f93cfccbfe5b575

  • C:\Windows\SysWOW64\drivers\lsass.exe
    Filesize

    32KB

    MD5

    669ffd1dd6fb7a0e4ddbc3ad3b76507b

    SHA1

    372820d6b9350ad629a489d49876d8bd422b8f31

    SHA256

    7dc487e762e55ffa601480c4bc7948f85fcd4f025665ff599060ec1f81d7e986

    SHA512

    cd69694ad3316c768dbe0d1514060870568c67a50785b38d402eb16e94740c5ae351eb6d47284630a2505fac50c9777bedef85608571c85385b1b9c1f12d73f5

  • C:\Windows\SysWOW64\drivers\lsass.exe
    Filesize

    32KB

    MD5

    669ffd1dd6fb7a0e4ddbc3ad3b76507b

    SHA1

    372820d6b9350ad629a489d49876d8bd422b8f31

    SHA256

    7dc487e762e55ffa601480c4bc7948f85fcd4f025665ff599060ec1f81d7e986

    SHA512

    cd69694ad3316c768dbe0d1514060870568c67a50785b38d402eb16e94740c5ae351eb6d47284630a2505fac50c9777bedef85608571c85385b1b9c1f12d73f5

  • memory/1692-135-0x0000000000000000-mapping.dmp
  • memory/2456-132-0x0000000000000000-mapping.dmp